Merge pull request #36 from filippor/master

Fix return type on JestResult
fix for thread visibility issue when node discovery is enabled
Merge pull request #38 from tootedom/master

When Discovery is enabled, the list of servers passed to the client are not published in a thread safe manner
moved log4j conf to test package and code formatting
removed log4j.xml
add concurrent test for server list.
Merge pull request #41 from tootedom/master

Concurrent test for ServerList implementation
added scroll
tmp
Merge branch 'master' of https://github.com/searchbox-io/Jest.git

Conflicts:
	src/main/java/io/searchbox/client/JestResult.java
fix